18937065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 37024128

約数和(自身を除く): 18087063

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 103, 105, 119, 255, 309, 357, 515, 595, 721, 1545, 1751, 1785, 2163, 3605, 5253, 8755, 10609, 10815, 12257, 26265, 31827, 36771, 53045, 61285, 74263, 159135, 180353, 183855, 222789, 371315, 541059, 901765, 1113945, 1262471, 2705295, 3787413, 6312355, 18937065]

約数ペア:

[(1, 18937065), (3, 6312355), (5, 3787413), (7, 2705295), (15, 1262471), (17, 1113945), (21, 901765), (35, 541059), (51, 371315), (85, 222789), (103, 183855), (105, 180353), (119, 159135), (255, 74263), (309, 61285), (357, 53045), (515, 36771), (595, 31827), (721, 26265), (1545, 12257), (1751, 10815), (1785, 10609), (2163, 8755), (3605, 5253)]